NPDES ID: TX0020401
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 6 effluent violations.
Violations
May 31, 2026
Copper, total [as Cu]
37% over limit
Discharged 0.0052 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
39% over limit
Discharged 0.024062 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total suspended
514% over limit
Discharged 92.09 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
8% over limit
Discharged 0.0041 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
1910% over limit
Discharged 804 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
396% over limit
Discharged 337.55807716 kg/d against a permitted limit of 68.1 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total [as Cu]
34% over limit
Discharged 0.0051 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
3% over limit
Discharged 0.017706 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total [as Cu]
13% over limit
Discharged 0.0043 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total [as Cu]
11% over limit
Discharged 0.019068 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
1% over limit
Discharged 0.0082 mg/L against a permitted limit of 0.0081 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
63% over limit
Discharged 0.0062 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total [as Cu]
13% over limit
Discharged 0.019522 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
55% over limit
Discharged 0.0059 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total [as Cu]
36% over limit
Discharged 0.011 mg/L against a permitted limit of 0.0081 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
129% over limit
Discharged 0.0087 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
55% over limit
Discharged 0.026786 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total [as Cu]
50% over limit
Discharged 0.025878 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
16% over limit
Discharged 0.0094 mg/L against a permitted limit of 0.0081 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
97% over limit
Discharged 0.0075 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
September 30, 2025
Copper, total [as Cu]
37% over limit
Discharged 0.0052 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
8% over limit
Discharged 0.018614 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2025
Copper, total [as Cu]
5% over limit
Discharged 0.01816 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
47% over limit
Discharged 0.0056 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
July 31, 2025
Copper, total [as Cu]
18% over limit
Discharged 0.0045 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
June 30, 2025
Copper, total [as Cu]
18% over limit
Discharged 0.0045 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total [as Cu]
47% over limit
Discharged 0.025424 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
103% over limit
Discharged 0.0077 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
147% over limit
Discharged 0.02 mg/L against a permitted limit of 0.0081 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Copper, total [as Cu]
11% over limit
Discharged 0.0042 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2024
Chlorine, total residual
250% over limit
Discharged 0.35 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
5% over limit
Discharged 0.004 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
November 30, 2024
Copper, total [as Cu]
13% over limit
Discharged 0.019522 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
37% over limit
Discharged 0.0052 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
October 31, 2024
Copper, total [as Cu]
26% over limit
Discharged 0.021792 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
47% over limit
Discharged 0.0056 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
September 30, 2024
Copper, total [as Cu]
13% over limit
Discharged 0.019522 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
5% over limit
Discharged 0.004 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2024
Copper, total [as Cu]
21% over limit
Discharged 0.0046 mg/L against a permitted limit of 0.0038 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
3% over limit
Discharged 0.017706 kg/d against a permitted limit of 0.017252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)